From SPU:
Partial Aurora Avenue North closure May 15
Seattle Public Utilities crews to inspect and repair leaks
One northbound lane and one southbound lane of Aurora Avenue North, between Ward Street and Highland Drive, will be closed overnight Friday, May 15 as Seattle Public Utilities (SPU) crews inspect and repair sewer leaks.
SPU crews will begin work on Friday, May 15 at 8:00 p.m. and expect to have all lanes open by 5:00 a.m. Saturday, May 16. This work will take place overnight, with noise and light from construction equipment expected. Work may extend into Saturday afternoon and evening, if necessary.
Seattle Public Utilities, at: http://www.seattle.gov/util.